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Why We Aren’t Using UV to Disinfect Everything—Yet

Negative perception and costs pose obstacles to a promising technology

As the coronavirus pandemic continues, a technology that has existed for over 100 years is getting renewed attention as a promising disinfection tool. Ultraviolet germicidal radiation, which uses short-wavelength UV rays to kill bacteria and viruses, is already…



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Julie Halpert

Julie Halpert has been a freelance journalist for over three decades. Her wide ranging focus includes science, parenting, personal finance and retirement.